Home / 401,585.04-554,146.29-240,435.90

Finding the Fourth Proportional to 401,585.04, 554,146.29 and 240,435.90

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Solution

The fourth proportional to 401,585.04, 554,146.29 and 240,435.90 is: 331,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,585.04 : 554,146.29 = 240,435.90 : x
  2. Step 2: Convert to fraction form
    401,585.04/554,146.29 = 240,435.90/x
  3. Step 3: Cross multiply
    401,585.04x = 554,146.29 × 240,435.90
  4. Step 4: Simplify right side
    401,585.04x = 133,236,661,967.81
  5. Step 5: Solve for x
    x = 133,236,661,967.81/401,585.04
  6. Step 6: Final answer
    x = 331,776.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.